from tkinter import *
print(" введите координату X:")
X=int(input())
print("введите координату Y:")
Y=int(input())
print(" введите координату N:")
N=int(input())
coords=[0,0,10,0,10,10,20,10,20,20,10,20,10,30,0,30 ]
if N == 0 and X>=0 and X<=500 and Y>=0 and Y<=500:
	pass
else:
	if N >0 and 0*N+X>=0 and 0*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500:
		pass
	else:
		if N < 0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500:
			pass
		else:
			print("размер фигуры превышает максимальный размер поля")
			exit()
                  
root=Tk()
root.title("ИТ марафон")
root.geometry("500x500")
canvas= Canvas(bg="white",width=500,height=500)
canvas.pack(anchor=CENTER,expand=1)
canvas.create_polygon(coords[0]*N+X,coords[1] *N+Y,
                      coords[2]*N+X,coords[3] *N+Y,
		      coords[4]*N+X,coords[5] *N+Y,
		      coords[6]*N+X,coords[7] *N+Y,
		      coords[8]*N+X,coords[9] *N+Y,
		      coords[10]*N+X,coords[11] *N+Y,
		      coords[12]*N+X,coords[13] *N+Y,
		      coords[14]*N+X,coords[15] *N+Y)
root.mainloop()
